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Finding the Fourth Proportional to 607,398.62, 911,208.65 and 303,951.46

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Solution

The fourth proportional to 607,398.62, 911,208.65 and 303,951.46 is: 455,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,398.62 : 911,208.65 = 303,951.46 : x
  2. Step 2: Convert to fraction form
    607,398.62/911,208.65 = 303,951.46/x
  3. Step 3: Cross multiply
    607,398.62x = 911,208.65 × 303,951.46
  4. Step 4: Simplify right side
    607,398.62x = 276,963,199,532.13
  5. Step 5: Solve for x
    x = 276,963,199,532.13/607,398.62
  6. Step 6: Final answer
    x = 455,982.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.